Electronics

  • Battery

    672

  • Charger

    48V, 2 Amp Rad Power Bikes smart charger, operates on 100V-240V AC power outlets

  • Controller

    Rad Power Bikes controller, 48V, 750W

  • Display

    Rad Power Bikes custom LED display with Charge indicator, pedal assist level / error display, headlight/taillight indicator and more

  • Hub Motor

    750W brushless geared hub motor, 5:1 planetary gear reduction. Stated wattage is the manufacturer’s rated power capacity. Actual power-to-ground wattage is under 750W to ensure ebike regulatory compliance and may vary depending on riding conditions.

  • Lights

    Front: Rad Power Bikes branded standard LED
    Rear: Integrated taillight with brake light indicator functionality  WHERE CAN I ORDER RadExpand 5 Electric Folding Bike?

  • Pedal Assist

    Low-Profile Cadence Sensing Pedal Assist, Half-Grip Twist Throttle

  • Range

    25 – 45 miles per charge (estimate)

  • Throttle

    Half twist grip throttle

  • Wiring

    Water resistant connectors and wiring harness

To ensure uninterrupted shipping, some parts may differ from those listed. Rest assured, our engineers rigorously test each component to guarantee quality and compatibility. RadExpand 5 Electric Folding Bike

Components

  • Brake Calipers

    Mechanical caliper

  • Brake Levers

    Rad Power Bikes approved aluminum alloy levers with motor cutoff switch.

  • Brake Pad

    Semi-Metallic compound

  • Brake Rotors

    180 mm front and rear

  • Chain

    KMC Z7, 124 links

  • Crank Set

    48T, 170 mm forged alloy, dual-sided chainring guard RadExpand 5 Electric Folding Bike

  • Derailleur

    7-Speed MicroShift RD-M26

  • Fenders

    Full coverage front and rear fenders with hardware included

  • Fork

    Rad custom steel 135 mm hub width, 9 mm quick release

  • Frame

    6061 aluminum

  • Freewheel

    7-speed freewheel 14-32T RadExpand 5 Electric Folding Bike

  • Gearing

    1 x 7-speed

  • Grips

    Ergonomically designed, made of soft yet durable rubber

  • Handlebar

    Alloy, 27″ wide, 6.9″ rise

  • Headset

    Semi-integrated, 1-1/8″ straight steerer tube

  • Kickstand

    Side-mounted, adjustable lean angle

  • Pedals

    Composite platform, CrMo axle with reflectors, standard 9/16″ x 20 TPI threading

  • Racks

    Front: Optional, 30 lb (14kg) carrying capacity
    Rear: Integrated, 55 lb (25kg) carrying capacity

  • Rims

    Aluminum alloy, 36 hole
    Rim width: 60 mm

  • Saddle

    Rad Power Bikes with lifting handle

  • Seatpost

    Aluminum alloy, 390 mm x 27.2 mm

  • Seatpost Clamp

    31.8 mm diameter

  • Shifter

    MicroShift TS71-7 -R under bar thumb shifter, 7-speed RadExpand 5 Electric Folding Bike

  • Spokes

    12-gauge stainless steel, black

  • Stem

    45 mm length, + 3º rise.

  • Tires

    CST BFT 20″ x 4.0″, e-bike rated with puncture-resistant liner and reflective strip

To ensure uninterrupted shipping, some parts may differ from those listed. Rest assured, our engineers rigorously test each component to guarantee quality and compatibility. RadExpand 5 Electric Folding Bike

Geometry

Rider Heights 4’10” – 5’10”
(Approx. bike inseam between 24.5″ – 32.25″)
Frame Size 16″
Handlebar Height 45-48″
Handlebar Reach 16″
Seat Height 24″ – 31″
Measured from bottom of the pedal stroke
Standover Height 16″
Total Length 68″
Wheelbase 45″
Dropout Width 175 mm rear dropout width, 12 mm axle diameter, 10 mm flats
Bottom Bracket Shell Width 100 mm shell, 164 mm spindle
Seat Tube Length 16″
Effective Top Tube 23.5″
Chainstay 18″
Handlebar Width 690 mm (27.2″)
Crank Length 170 mm
Seatpost Diameter 27.2 mm
Max Tire Width 4″
Bike Weight Total: 62.5 lb
Battery: 7.7 lb
Payload Capacity 275 lb
Rear Rack Capacity 59 lb (26.8 kg)
Folded Dimensions 29H x 25W x 41L”

Sizing

Bike inseam sizing chart(Inches)

23 – 24.5″

24.5 – 32.25″

32.25+”

You will not be able to ride the bike comfortably.
You will be able to pedal and stand over the frame comfortably.
Your legs may be too long to get full leg extension when pedaling.
What to Measure

Your “bike inseam” — or inside leg length — is the distance between your body where it sits on your bike saddle and the ground.

It’s typically an inch or two longer than the length of your trousers, but measure to be sure. RadExpand 5 Electric Folding Bike

You’ll use this number on the chart to get a feel for how the different models will fit you. RadExpand 5 Electric Folding Bike

How to Measure

Gather the tools needed:

Medium-width hardcover book RadExpand 5 Electric Folding Bike
Tape measure
A wall you can stand against
A trusted friend or relative RadExpand 5 Electric Folding Bike

Wearing your regular riding shoes and with your back to the wall, stand with your feet spread so there is about 7 inches between them – this is about the distance apart your feet would be when straddling a bike with your feet on the ground (standover height).

Place a hardcover book against the wall with the spine of the book facing upward. Slide the book upwards towards your groin until it is solidly against your body. This may be a bit awkward, but is way more comfortable — and safer! — than trying to ride a bike that is too big.

If you have a buddy helping you, get them to measure from the floor to the top of the book spine while you hold the book in place. If you’re going it alone, carefully hold the book in place and measure from the ground to the top of the book spine. RadExpand 5 Electric Folding Bike

Display

  • LED panel that includes pedal assist controls and battery charge levels.